EcoMaid AeroVac Filter Hair Brush kit and Side Brush Cleaning Tool for iRobot Roomba 600 Series 595 620 630 650 660 Vacuum Cleaner Accessories This accessory kit fit for iRobot Roomba 536 550 551 552 564 585 589 620 650 651 655 660 680 690 vacuum cleaner 1 x Bristle and Flexible Beater Brush, 5 x Filter, 5 x Side Brush, 2 x Brush Cleaning Tool, 30 days Money Back after-sale service for any dissatisfaction.A free filter cleaning brush with the purchase,clean the filter and cleaner dirty bin easily Please clean the filter frequently to avoid secondary air pollution,change the brush and filter every 2-4 months to keep the vacuum cleaner working with High-Performance